A018029 Powers of cube root of 18 rounded up.

1, 3, 7, 18, 48, 124, 324, 850, 2226, 5832, 15285, 40056, 104976, 275115, 721006, 1889568, 4952070, 12978093, 34012224, 89137244, 233605664, 612220032, 1604470381, 4204901942, 11019960576, 28880466845, 75688234943, 198359290368, 519848403194

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Mathematica

Table[Ceiling[18^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 10 2014 *)

Prog

(Magma) [Ceiling(18^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 10 2014

Crossrefs

Cf. powers of cube root of k ceiling up: A017981 (k=2), A017984 (k=3), A017987 (k=4), A017990 (k=5), A017993 (k=6), A017996 (k=7), A018002 (k=9), A018005 (k=10), A018008 (k=11), A018011 (k=12), A018014 (k=13), A018017 (k=14), A018020 (k=15), A018023 (k=16), A018026 (k=17), this sequence (k=18), A018032 (k=19), A018035 (k=20), A018038 (k=21), A018041 (k=22), A018044 (k=23), A018047 (k=24).

Sequence in context: A045994 A101308 A279482 * A099483 A225034 A190255

Adjacent sequences: A018026 A018027 A018028 * A018030 A018031 A018032

Keyword

nonn

Author

N. J. A. Sloane

Extensions

More terms from Vincenzo Librandi, Jan 10 2014

Status

approved